Cloud Computing is a technology that provides various services over the internet which can be accessed from any place. The three main cloud computing basics are IaaS, PaaS, and SaaS cloud services. In this article, we will learn the crucial cloud computing basics and their importance in detail.
What is Cloud Computing?
Cloud Computing is an emerging technology that provides various IT services such as networking, analytics, software applications, storage, security, and more over the internet.
With Cloud computing storage and software applications are not limited to computer systems or devices. Now, we can access our data online and run different applications over the internet without the need to download them.
KEY TAKEAWAYS:
- Cloud Computing Accessibility: Cloud computing provides various services over the internet, accessible from anywhere, eliminating the need for localized storage and applications.
- Types of Cloud Computing: The three primary types of cloud computing are Public, Private, and Hybrid clouds, each catering to different user needs and security levels.
- Cloud Computing Services: Cloud services are categorized into Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS), offering varying levels of control and management responsibilities to users.
Cloud Computing Basics: Three Types of Cloud Computing
The three major types of cloud computing are Public, private, and Hybrid cloud infrastructure. Let us learn about them one by one.
1. Public CloudsÂ
Public clouds are cloud environments that are not limited to a single organization or single end user. Public Cloud services are provided by a third party over the open internet. It can be availed by anyone who purchases the service based on pay-per-usage for the services, bandwidth, or storage they use.Â
Some of the best public cloud services are Microsoft Azure, Amazon Web Services (AWS), IBM Cloud, Google Cloud, etc. Some cloud service providers are often allowed to use their services for free. The IT infrastructure on the Public cloud can be developed and used as IaaS or PaaS.
2. Private CloudsÂ
The Private Cloud is a cloud service dedicated to a single user or a group. It is generally limited to organizations or groups of people. Private Cloud Services consists of more restrictions than public cloud and is dedicated to a single user with complete specified access. Private cloud services are more secure than public cloud services.Â
3. Hybrid Clouds
A Hybrid Cloud service is a combination of both Private and Public cloud. It provides scalability to the applications over the cloud to move over different connected environments to provide automated, unified, flexible, and reliable cloud service.
These cloud Services consist of two or more private or public clouds. It is a mixed computing environment which is made up of on-premises infrastructure. Some of the best hybrid cloud providers are Google, Microsoft, Amazon, Cisco, etc.
Cloud Computing Basics: Cloud ServicesÂ
Cloud Computing Services are the services, platforms, infrastructures, or applications provided by third-party services on the Internet. The three major cloud services are IaaS, PaaS, and SaaS.Â
1. IaaS (Infrastructure as a Service)
In IaaS, companies provides infrastructure related to storage, servers, hardware, networking component to the cloud service provider. Physical hardware used to increases the overall investment cost also required a lot of space and consisted of a limited storage.Â
Now, with IaaS clients can use services based on pay per use basis without worrying about space and no extra setting costs. Users can easily rent the infrastructure and pay for the services used.Â
| Cloud Computing Basics: IaaS | |
| User | Service Provider |
| Software Applications | Virtualization |
| Data | Servers |
| Operating System | Networking |
| Middleware | Storage |
| Runtime | |
2. PaaS (Platform as a Service)
PaaS is a cloud service that provides a platform allowing customers to develop, run, and manage software applications without the worry of building, maintaining the infrastructure, or deploying the application. Users have access to the application running on the platform and the data contained inside it.Â
Here, users can use a shared platform space with the help of cloud for application development and management without worrying about building or maintaining the application. In PaaS most of the services such as networking, middleware, virualizations, O/S are managed by the service providers.
| Cloud Computing Basics: IaaS | |
| User | Service Provider |
| Sofware Applications | Virtualization |
| Data | Servers |
| Networking | |
| Middleware | |
| Operating System | |
| Storage | |
| Runtime | |
3. SaaS (Software as a Service)
SaaS is a software web application or mobile application that is hosted on a remote server and can be accessed by users over the Internet. Service providers manage updates, bug fixes, and other maintenance issues. It eliminates the need to install remote applications on the user’s computer or mobile.Â
It also allows an individual or group of individuals to access the software at a time. In SaaS, users only can use the applications on a remote server and all the other services such as middleware, applications, data, storage, networking, O/S, etc are handled by the service providers.Â
Cloud Computing Basics: Difference between Public, Private and Hybrid Clouds
Check the table below to know the difference between the three major classifications of cloud computing services.
| Difference between Public, Private and Hybrid Clouds | ||
| Public Cloud | Private Cloud | Hybrid Cloud |
| It provides services over a public network. | It provides services to single individuals or groups of individuals. | It is a composition of private and public clouds. It consists of the benefits of multiple cloud models. |
| Less secure | More secure than public and hybrid clouds. | It is more secure than the public cloud. |
| It offers services to the general public. | It offers services to an organization. | It offers services to the general public organizations or both. |
| It requires minimum cost. | It is slighter expensive than the public cloud. | It is cost cost-effective version of the private cloud. |
| It is highly scalable. | It is not very scalable. | It provides more scalability than private clouds. |
Cloud Computing Basics: Differences between IaaS, PaaS, and SaaS
Some basic differences between the three cloud computing basics services are mentioned in the table below.
| Difference between IaaS, PaaS, and SaaS | ||
| IaaS | PaaS | SaaS |
| IaaS also known as Infrastructure as a Service. | PaaS is also known as Platform as a Service. | SaaS is also known as Software as a Service. |
| Service providers give infrastructure related to storage, servers, hardware, and networking components to the cloud service provider. | PaaS is a cloud service that provides a platform allowing customers to develop, run, and manage software applications. | SaaS is a software web application or mobile application which is hosted on a remote server and can be accessed by users over Internet. |
| It is used by network architects. | It is used by developers | It is used by end users. |
| It provides resources such as virtual storage, and virtual machines over the internet. | It provides a run-time environment, and tools platform to users. | It provides software applications over Internet. |
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Cloud Computing Basics FAQs
What are three important basics of cloud computing?
The three important types of cloud computing are Public, Private, and Hybrid Cloud.
What are the three important cloud services?
The three important cloud services are IaaS, PaaS, and SaaS.
What is IaaS?
IaaS also known as Infrastructure as a Service is a cloud computing service that provides access to on-demand resources such as networking, storage, servers, virtualizations, and more.
What is PaaS?
PaaS or Platform as a Service is an environment that provides a platform allowing customers to develop, run, and manage software applications without the worry of building, maintaining the infrastructure, or deploying the application.
